SpecificationSizeHeight:33mm,Width:18mm,Ply:7.7mmWeight:20 g,Texture:ABS + PC plastic,Color:black|whiteSupport SystemWindows XP, Windows Vista 32/64, Windows 7 32/64, Windows 8PortUSB 2.0Antenna1T1R model;PIFA inlayTransmission rate11b : 1/2/5.5/11Mbps 11g : 6/9/12/18/24/36/48/54Mbps 11n : Max. 150MbpsWireless ProtocolIEEE 802.11n,IEEE 802.11g and IEEE 802.11b standard;Frequency range2.412 ~ 2.4835 GHzWorking channel1 ~ 14Transmitting power18 dBm (Max.)EncryptionWPA-PSKEnvironmental conditionsOperating temperature : 0°C ~ 40°C | Storage temperature : -20°C ~ 70°C | Operating humidity : 10% ~ 90% RH incondensability | Storage Humidity : 5% ~ 90% RH incondensability